There are certain food which should be consumed in order to keep yourself happy.
1. Nuts:
Walnuts and almonds are considered to be the most healthiest nuts of all. Nuts brim with vitamin B, Magnesium, Zinc and Omega oils. Along with providing oodles of vitamins they provide you with, they also consist of high amount of energy. But make sure you do not have them in excess, as they have calories too.

2. Broccoli:
Broccoli is rich in folic acid that does help reduce stress related symptoms and irritability. Do not over-cook it, as it might loose certain important nutrients and vitamins.

3. Milk:
There is a compound in milk called tryptophan, which gets converted toserotonin which is otherwise called as happy hormone. Drinking a glass of milk daily would boost up your overall mood.

4. Salmon:
Salmon fish contains lot of omega-3 fatty, which you can definitely relish. Omega-3 fatty acids prove to be very effective for brain growth and development. Consuming salmon on a regular basis would help you deal with stress effectively.

5. Berries:
Berries have abundant antioxidant properties that support brain function and blood circulation. There are variety of berries such as strawberries, raspberries and mulberries. Since berries are sweet in taste, they are said to the healthiest choices to satisfy all your cravings for sweet and sugar.

6. Beetroots:
Beets are high in folate and also the best source for vitamin B9. This vitamin helps promote proper functioning of the liver and the nervous system.